health vs upbeat

health and upbeat both are nouns.

Word	Noun	Adjective	Verb	Adverb
health	Yes	No	No	No
upbeat	Yes	Yes	No	No

As nouns, upbeat is a hypernym of health; that is, upbeat is a word with a broader meaning than health:

Other hypernyms of health include eudaemonia, eudaimonia, welfare, well-being, wellbeing.

health (noun)	upbeat (noun)
a healthy state of wellbeing free from disease	an unaccented beat (especially the last beat of a measure)
the general condition of body and mind	a contented state of being happy and healthy and prosperous

health (adjective)	upbeat (adjective)
	pleasantly (even unrealistically) optimistic